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You are here: Home Part Numbers Index Gear Assembly, Steering
Back to Part Numbers Index

Gear Assembly, Steering

 

NOTE: Items listed here pertain only to the '67-'72 F100/350 trucks, but might have other applications (other truck models) that are not included here.

All part numbers and specifications are as reported in the 1964-1972 Ford Truck Master Parts Catalog 1975 Final Issue unless otherwise noted.

IDENTIFICATION TAG

A metal identification tag is attached to Ford-designed steering gear housings, beginning with the 1964 light-duty models, as shown in the illustration at left.

3504 - Gear Assembly, Steering Gear
Year Model Front Axle Identification Housing
Casting
Number
Parts
List
No.
Part Number
1967 F100/250 - 4x2 Manual 2.6M, 3M **SMA-E, H   26 C5TZ-3504-D
P/S 2.6M, 3M **HCE-G   45 C7TZ-3504-E
F100 - 4x4 3M     49 C7TZ-3504-M
F250 - 4x4 3M, 3.5M   35JC10 42 C7TZ-3504-A
F350 3.8M **SMA-E, H   26 C5TZ-3504-D
1968-1969

 

F100/250 - 4x2 Manual 2.6M, 3M **SMA-E, H
**SMA-K
  26 C5TZ-3504-D
P/S - Bendix gear 2.6M, 3M **HCE-G   45 C7TZ-3504-E
P/S - Ford gear 2.6M, 3M **SPA-L-1   64 C9TZ-3504-C
F100 - 4x4 3M C7TA-T 24JC06 49 C7TZ-3504-M
F250 - 4x4 3M, 3.5M C7TA-H 35JC10 42 C7TZ-3504-A
F350 Manual 3.8M **SMA-E, H
**SMA-K
  26 C5TZ-3504-D
P/S (1969) 3.8M **SPA-L-1   64 C9TZ-3504-C
1970 F100/250 - 4x2 Manual 2.6M, 3M **SMA-E, H
**SMA-K
  26 C5TZ-3504-D
P/S 2.6M, 3M #SPA-L, L1, R   64 C9TZ-3504-C
F100 - 4x4 3M C7TA-T 24JC06 49 C7TZ-3504-M
F250 - 4x4 3M, 3.5M C7TA-H 35JC10 42 C7TZ-3504-A
F350 Manual 3.8M **SMA-E, H
**SMA-K
  26 C5TZ-3504-D
P/S 3.8M **SPA-L-1   64 C9TZ-3504-C
1971-1972 F100/350 (4x2) M/S All **SMA-H,K   26 C5TZ-3504-D
P/S All  **SPA-R   64 C9TZ-3504-C
F100 (4x4) All C7TA-T 24JC06 49 C7TZ-3504-M
F250 (4x4) All C7TA-H 35JC10 42 C7TZ-3504-A
** Ford-designed gears tagged beginning with 1964 models
# Identification marking

PARTS LISTS

PARTS LIST NO. 26 - C5TZ 3504-D
QTY.

PART NUMBER

DESCRIPTION

4 C5AZ-3523-B Guide, steering gear ball return
1 C5TZ-3524-B Shaft & rack assy. - use w/ #HCD-B
1 C5TZ-3524-G Shaft & rack assy., input - use w/ #SMA-E, H or K
 

3524

Upper shaft - refer to text Group 3A526
1 B6A-3538-A Plug, filler - threaded - 5/8"-24
1 C5AZ-3544-B Clamp, gear ball return guide
1 C5TZ-3548-A Housing assembly
2 C2AZ-3552-A Cup, bearing, upper & lower - #8537
2 C2AZ-3571-A Bearing, worm. ball type
1 C5TZ-3575-D Shaft. sector
2 C1AZ-3576-B Bearing., sector shaft - 1 1/8" I.D. x 1 3/8" O.D. x 1" long
1 B8AZ-3577-A Screw, sector shaft - 7/16"-20 x 1 15/32"
1 C5AZ-3580-E Cover, sector shaft
1 C3AZ-3581-A Gasket, sector shaft cover
1 C7021-3591-A Oil seal, sector shaft -1 5/64" I.D. -1 9/16" O.D. - 1/4" thick
1 B8A-3647-B Kit, ball, steering worm - consists of 60 balls
1 B8AZ-3A657-A Kit, sector shim - consists of 4 shims
1 C3AZ-3A670-A Adjuster, thrust bearing
1 B8A-3707-A Locknut, worm thrust bearing - 2 3/4"-16
1 B5S-3738-A Seal, shaft & rack - 23/32" I.D. -1" O.D.
1 34690-S8 Nut, hex. - 7/16"-20
1 42996-S7-8 Bolt, sector cover - 3/8"-16 x 3/4"
1 351701-S Plug, expansion, housing - 1 5/16"
3 372133-S Screw, clamp - #10-32 x 3/8"
2 380875-S2 Stud, sector cover - 3/8"-16-16 x 1 3/4"
 
PARTS LIST NO. 45 - C7TZ 3504-E
QTY. PART NUMBER DESCRIPTION
1 AC6TZ-3E500-A Seal kit, steering gear
1 AC6TZ-3E501-A Seal kit, sector shaft.
1 AC6TZ-3E502-A Seal kit, input shaft
1 C6TZ-3D518-A Worm assy., power steering
1 C6TZ-3D519-A Seal, worm gear
1

3524

For strg. gear shaft, refer to 3D518 above, for upper shaft, refer to text Group 3A526
1 C5AZ-3D525-B Bearing assy., input shaft roller
1 C6TZ-3A544-A Piston, power steering cylinder
1 C6TZ-3548-L Housing assy. - includes bushing which is not serviced loose
1 C6TZ-3575-K Shaft, sector
1 C6TZ-3583-B Cover, sector shaft-with bushing
1

3587

Bushing, sector shaft cover - use (3583)
1 C6TZ-3A670-A Adjuster, worm thrust bearing
1 C6TZ-3707-A Nut, worm thrust bearing
2 C6TZ-3B736-A Ball & cage assy., worm bearing
1 C6TZ-3A745-A Cap, cylinder
1 C6TZ-3A746-A Ring, cap retainer
1 C6TZ 3D769-A Seat, adjusting screw
1 C6TZ 3D770-A Screw, adjusting - 1 13/16"-18 x 1 1/8"
4 C6TZ 3D771-A Ring, worm gear - 1 1/2" O.D.
1 C6TZ 3D772-A Pin, worm adjusting - 5/16"-24 x 1/2"
2 C6TZ 3D773-A Race, bearing - 1 63/64" I.D. -2 1/2" O.D. - 19/64"
1 C6TZ 3D774-A Seal, housing cover - 3" I.D.
1 C6TZ 3D775-A Shim kit, worm gear - consists of 4 shims
1 C6TZ 3D776-A Screw kit, piston adjusting
1 C6TZ 3805-A Seat, piston - 3 1/64" O.D. -1/8" teflon
1 87148-S "O" ring seal, piston - 2.688" I. D.
4 351487-S Lockwasher, cover - 5/16"
2 354135-S Bolt, cover - hex. -3/8"-16 x 1 1/8"
1 372896-S Seat, housing tube - 3/8"
1 373430-S Seat, housing tube-5/16"
1 375136-S Nut, insert - 7/16"-20
1 375137-S Seal, adjuster
1 375138-S Seal, cylinder cover
2 380110-S Stud, cover - 3/8"-16 x 2 1/16"
 
PARTS LIST NO. 64 - C9TZ 3504-C
QTY. PART NUMBER DESCRIPTION
1 C9TZ-2B357-A Support, brake tube bracket
1 C9TZ-3D517-B Shaft & control assy., input (1968/70)
1 D1TZ-3D517-A Shaft & control assy. input (1971/) - includes (1) ea. 385084-S seal, 372454-S94 "O" ring & C7AR-3756-A seal
2 C9AZ-3523-A Guide, ball return - 1" wide
 

3524

For strg. gear shaft, refer to 3D517 above
For upper shaft, refer to Text Group 3A526
1 C5AZ-3D525-A

or

C5AZ-3D525-C

Bearing, input shaft - std. - 1.501" O.D.

or

Bearing, input shaft - O/S - 1.505" O.D.

1 C5AZ-3D526-A Seal, input shaft
1 C5AZ-3D527-A Seal, input shaft dust
1

3D528

Adjuster, sector shaft - in (3575)
AR C5AZ-3D529-A Spacer, sector shaft seal
1 C5AZ-3D530-A Cap, cylinder piston
1 D3AZ-3C538-A
Kit-seal-consists of
(1) D5AW 3D526-AA Seal
(1) D5AW 3D527-AA Seal
(2) D3AZ 3D529-A Spacer
(1) D5AW 3591-AA Seal
(1) D5AW 3D642-AA Seal
(1) D3AR 3756-A "O" ring Seal
(1) C5AZ 3805-A Seal
(1) 97625-S Ring
(1) 97628-S Ring
(1) 352109-S7 Ring
(1) 382743-S94 "O" ring
(1) 386265-S "O" ring
(1) 386266-S "O" ring
(1) Instruction sheet  
1 C5AZ-3544-A Clamp, ball return guide - in 3523
1 C9TZ-3548-D Hsg. assy. - use w/#SPA-L gear assy.
1 D2TZ-3548-B Housing assy. - use w/#SPA-R
1 C9TZ-3575-A Shaft-sector - incl. C5AZ-3D528-A, C5AZ-3577-A
PARTS LIST NO. 42 - C7TZ 3504-A
QTY. PART NUMBER DESCRIPTION
1 C7TZ-3524-C Shaft & worm assy.
1 C6TZ-3538-A Plug, filler - threaded - vented
1 C7TZ-3548-A Housing assy.
1 B3W-3549-A Snap ring, sector
1 C4TZ-3552-A Cup, upper bearing - 2 1/8" O.D.
1 C4TZ-3553-A Cup, lower bearing - 2 5/16" O.D.
1 C7TZ-3568-A Cover, shaft & worm
2 C4TZ-3571-A Bearing, worm, ball type
1 C7TZ-3575-A Shaft, sector
1

3576

Bushing - serviced in 3548 assy.
1 B7J-3577-A Screw, sector shaft - l/2"-20 x 1 17/64"
1 C7TZ-3579-A Washer, thrust - 9/16" I. D.-7/64" thick
1 C1TT-3580-A Cover, sector shaft - 1 3/8" I. D.
1 C1TT-3581-B Gasket, sector shaft cover
1 C7TZ-3591-A Oil seal, shaft & worm
1 D2HZ-3591-D Oil seal, sector shaft - 1 3/8" I.D.
AR C5TZ-3593-A Gasket, worm cover (.002")
AR C5TZ-3593-B Gasket, worm cover (.005")
AR C5TZ-3593-C Gasket, worm cover (.010")
1 33943-S Nut - (for 3577) hex. - l/2"-20
4 350999-S Bolt, worm cover, hex. head - 5/16"-18 x 3/4"
1 351701-S Plug, expansion, housing - 1 5/16"
4 357357-S Bolt, sector cover - hex. - 3/8"-16 x 13/16"
 
PARTS LIST NO. 47 - C7TZ 3504-G
QTY. PART NUMBER DESCRIPTION
1 C6TZ-3524-N Shaft & worm assy.
1 C6TZ-3538-A Plug, filler, threaded - vented
1 C6TZ-3538-D Plug, filler, expansion - 1 5/8" diameter
1 C4TZ-3539-A Locknut, sector shaft, adjusting - 5/8"-18
1 C7TZ-3548-D Housing assy.
1 C1TT-3552-B Cup, upper bearing - 3 1/8" O.D. x 1/2" thick - #46
1 C1TT-3552-C Cup, lower bearing - 3 7/16" O.D. x 1" thick - #47
1 C4TZ-3568-A Cover, shaft & worm - 3" hole centers
2 C1TT-3571-A Bearing, worm, roller type - #45BC
1 D0HZ-3575-B Shaft, sector
1 C7TZ-3581-A Gasket, sector shaft cover - 6 holes
1 C4TZ-3583-A Cover, sector shaft
1 C1TT-3591-C Seal, sector shaft - 1 3/4" I.D. x 2 1/2" O.D. x 3/16" thick
1 D2HZ-3591-B Oil seal, shaft & worm - 15/16" I.D. - 1 1/2" O.D. - 1/2" thick
AR C1TT-3593-A Gasket, worm cover (.002")
AR C1TT-3593-B Gasket, worm cover (.005")
AR C1TT-3593-C Gasket, worm cover (.010")
2 D3HZ-3B614-A Bearing, sector shaft - 1 3/4" I.D. - 3/4" thick
1 C3TZ-3C764-A Screw kit, sector shaft (includes (3577) screw, (3579) washer and (3610) retainer
10 374431-S Bolt, worm & sector cover
2 374432-S7-8 Dowel, housing-5/8" x 1/8"
# Identification marking
 
PARTS LIST NO. 49 - C7TZ 3504-M
QTY. PART NUMBER DESCRIPTION
1 C7TZ-3524-F Shaft & worm assy.
1 B-3538 Plug, filler, threaded - 3/4"-20
1 C6TZ-3548-J Housing assy.
1 B3W-3549-A Snap ring, sector
1 C6TZ-3552-A Cup, lower bearing - 1 13/16" O.D.
1 C6TZ-3553-A Cup, upper bearing - 1 13/16" O.D.
1 C6TZ-3568-A Cover, shaft & worm
2 C6TZ-3571-A Bearing, Worm-ball type
1 C6TZ-3575-J Shaft, sector
2 C6TZ-3576-B Bushing, sector shaft - 1 1/4" I.D. x 1 3/8" O.D. x 1" long
1 B7J-3577-A Screw, sector shaft
1 C7TZ-3579-A Washer, thrust - 9/16" I.D. - 7/64" thick
1 C6TZ-3580-A Cover, sector shaft
1 C6TZ-3581-A Gasket, sector shaft cover
1 C1TT-3591-G Oil seal, sector shaft - 1 1/4" I.D. - 1 11/16" O.D.
1 C6TZ-3591-A Oil seal, shaft & worm - 43/64" I.D. - 1 3/16" O.D.
AR C6TZ-3593-A Gasket, worm cover (.002")
AR C6TZ-3593-B Gasket, worm cover (.005")
AR C6TZ-3593-C Gasket, worm cover (.010")
1 33943-S Nut (for 3577) hex. - 1/2"-20
4 44996-S2 Bolt, sector cover - hex. - slotted - 3/8"-16 x 3/4"
1 351701-S Plug, expansion, housing - 1 5/16"
4 357235-S Bolt, worm cover - hex. -5/16"-18 x 7/8"
 

 

 

 

 

 

 

Symbol (in the text listings or exploded-view diagram) indicates part is not supplied for service due to the following:

  a. Part is superseded and replaced as indicated in the description column of text
b. Part can be improvised as indicated in the description column of text
c. Due to it's function there would be little or no demand

 

 

 
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